CanvasPrism is a fully offline, private whiteboard for iPhone and iPad. Everything you create is stored right on your device. There's no account, no sign-up, and no internet connection required to draw, sketch, or edit. Your ideas stay yours.
Open a blank board and start working in seconds.
• Infinite canvas for freehand sketching with shapes, arrows, lines, and text
• Build flowcharts, mind maps, and wireframes using smart shape connectors
• Ready-made component libraries and templates to start fast
• Apple Pencil support on iPad with native double-tap and squeeze gestures for a natural, hand-drawn feel
• Customize with 100+ bundled fonts, color themes, and background styles
• Set dark or light appearance per board for full control over every canvas
• Export to PNG, PDF, or SVG with an optional transparent background
• Open and import .excalidraw and .excalidrawlib files
• Share your work straight to Photos or Files
Want your boards on every device? Turn on optional iCloud sync to keep your iPhone and iPad in step. Sync is conflict-safe: if a board is edited in two places at once, CanvasPrism keeps an automatic copy so nothing is ever lost. Leave it off and CanvasPrism stays completely offline and on-device.
CanvasPrism is built on the open-source Excalidraw engine, running natively in the app for a fast, responsive drawing experience.
CanvasPrism is is completely free with no ads, no tracking and no account. Just a clean, capable whiteboard that's ready whenever inspiration strikes.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
